216 ● SH DMC-40x0 Command Reference
SH
FUNCTION: Servo Here
DESCRIPTION:
The SH commands tells the controller to use the current motor position as the command position
and to enable servo control here.
This command can be useful when the position of a motor has been manually adjusted following a
motor off (MO) command.
ARGUMENTS: SH nnnnnnnnnn where
n is A,B,C,D,E,F,G or H or any combination to specify the axis or axes
USAGE: DEFAULTS:
While Moving No Default Value -
In a Program Yes Default Format -
Command Line Yes
Controller Usage
ALL CONTROLLERS
RELATED COMMANDS:
MO Motor-off
EXAMPLES:
SH Servo A,B,C,D motors
SHA Only servo the A motor, the B,C and D motors remain in
its previous state.
SHB Servo the B motor; leave the A,C and D motors unchanged
SHC Servo the C motor; leave the A,B and D motors unchanged
SHD Servo the D motor; leave the A,B and C motors unchanged
Note: The SH command changes the coordinate system. Therefore, all position commands given prior to
SH, must be repeated. Otherwise, the controller produces incorrect motion.
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